# #2c4cb5

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#2c4cb5`
- RGB: rgb(44, 76, 181)
- HSL: hsl(226, 61%, 44%)
- OKLCH: oklch(0.459 0.171 266.6)
- Relative luminance: 0.0904
- Nearest named color: Blasphemous Blue (#3356aa, Δ 3.399) — https://brandsweets.com/colors/blasphemous-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2c4cb5

## Tints & shades

- Tints (toward white): #3154c9, #4667d2, #5b78d7, #738cdd, #889de2, #9caee7, #b5c2ed, #cad3f2, #e2e7f8, #f7f8fd
- Shades (toward black): #2845a4, #243e94, #203783, #1c3073, #182963, #142252, #101c42, #0c1531, #080e21, #040710

## Harmonies

- Complementary: #b5952c
- Analogous: #2c90b5, #502cb5
- Triadic: #b52c4c, #4cb52c
- Split-complementary: #b5502c, #90b52c
- Tetradic: #b52c90, #b5952c, #2cb550

## Colors that go with #2c4cb5

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #2c4cb5: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Campus (https://brandsweets.com/palettes/friendly#campus), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #2c4cb5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #2c4cb5's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: American Express (https://brandsweets.com/colors/brands/americanexpress-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #2c4cb5 in 6 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Tesco's brand system and CVS's brand system put Blue beside #2c4cb5, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2c4cb5: 6 real palettes, including Blue Mono and Gopro's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #2c4cb5 in 14 real palettes, including Chase's brand system and Walgreens's brand system, as the accent. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2c4cb5: 5 real palettes, including Kraken's brand system and Venmo's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 7.48:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4e6ed4 (4.51:1); AA: background → #c9c9c9 (4.52:1); AAA: text → #7c93df (7.1:1); AAA: background → #fafafa (7.16:1)

## Brands using this color

- **Airtable** — primary #254fad (Δ 1.608) — https://brandsweets.com/colors/brands/airtable-com
- **Etsy** — accent #254ec1 (Δ 1.985) — https://brandsweets.com/colors/brands/etsy-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/2c4cb5-9ca1c4-df774e-221f2d-e9eff1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#2c4cb5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.